Tata Steel Utilities and Infrastructure Services Interview Questions and Answers

SBR is a sequencing batch reactor while MBR is a membrane bioreactor.

• SBR is a type of activated sludge process where all treatment stages occur in the same tank, while MBR uses a membrane to separate the treated water from the activated sludge.

• SBR operates in batch mode, with alternating cycles of fill, react, settle, and decant, while MBR operates continuously.

• SBR typically has lower capital costs but higher oper...read more

WTP stands for Water Treatment Plant and PSTP stands for Prefabricated Sewage Treatment Plant.

• WTP is a facility where water is treated to make it safe for consumption or for other purposes.

• PSTP is a type of sewage treatment plant that is pre-designed and manufactured off-site before being transported to the final location for installation.

• Both WTP and PSTP play crucial roles in ensuring clean water supply and prop...read more

Civil engineering is a branch of engineering that deals with the design, construction, and maintenance of infrastructure projects.

• Involves designing and constructing buildings, bridges, roads, dams, and other structures

• Focuses on ensuring structures are safe, functional, and sustainable

• Requires knowledge of materials, construction techniques, and project management

• Involves working with architects, contractors, and...read more

There are various types of air compressor houses and gas cleaning plants depending on their size, capacity, and application.

• Types of air compressor houses: reciprocating, rotary screw, centrifugal, and axial flow

• Types of gas cleaning plants: electrostatic precipitators, fabric filters, scrubbers, and cyclones

• The selection of the type of compressor house and gas cleaning plant depends on the specific requirements o...read more

I will troubleshoot the sand filter and take necessary actions to fix it.

• Check if there is any clogging in the filter

• Inspect the valves and pipes connected to the filter

• Clean or replace the filter media if required

• If the issue persists, consult with the maintenance team

• In the meantime, divert the flow to other filters to maintain the water quality

The distance soil is thrown during excavation varies depending on factors such as the type of soil, equipment used, and excavation method.

• The distance soil is thrown during excavation can range from a few feet to several yards.

• Factors that affect the distance include the type of soil (e.g., sandy soil may be thrown farther than clay soil), the equipment used (e.g., excavators can throw soil farther than shovels), ...read more